Basic HTML version of Foils prepared May 19 99

Foil 33 Serialization Externalization II

From Javabeans Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Nancy McCracken, Wojtek Furmanski


1 java.awt.Component class implements the Serializable interface and any bean extending this class or any of its subclasses is automatically Serializable and hence can be persistent
2 Note Object class is not Serializable and so one must inherit from a subclass of Object that is Serializable in order to automatically get this property
3 One can explicitly implement the Serializable Interface by supplying writeObject() and readObject()
4 Beans should store references to external Beans as transient as linkage is responsibility of BeanBox
5 Externalizable Objects must implement writeExternal() and readExternal() methods for user implemented persistency

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